Tire tread



FIG. 1 is a front elevational view of a tire tread showing our new design it being understood that the tread pattern is repeated throughout the circumference of the tire tread;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left perspective view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is an enlarged fragmentary front view thereof.

The broken line showing of the tire sidewalls in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 